A tennis star has accused Wimbledon champion Jannik Sinner of cheating following his won on Sunday. Sinner, 23, won his second Grand Slam of the year on Sunday, besting No. 2 seed Carlos Alcaraz ...

Italy's Jannik Sinner celebrates with the trophy after beating Carlos Alcaraz of Spain to win the men's singles final at the Wimbledon Tennis Championships in London on Sunday, July 13, 2025.